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THEISEN EDUARD

Overview
  • Total Patents
    40
About

THEISEN EDUARD has a total of 40 patent applications. Its first patent ever was published in 1883. It filed its patents most often in United Kingdom, Switzerland and Austria. Its main competitors in its focus markets chemical engineering, machines and thermal processes are GEN FILTERS INC, CALMIC ENG CO LTD and POWLESLAND ENG LTD.

Patent filings in countries

World map showing THEISEN EDUARDs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Switzerland 12
#3 Austria 10
#4 Spain 2
#5 United States 2
#6 Germany 1

Patent filings per year

Chart showing THEISEN EDUARDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Theisen Eduard 38

Latest patents

Publication Filing date Title
US895313A Gas-purifier.
GB190325987A Improvements in Means for Securing Snow Pads to Horse Shoes.
GB190325458A Improvements in Centrifugal Apparatus for Evaporating, Cooling, Heating, Absorption, Gas Purifying and like purposes.
US807695A Centrifugal apparatus for treating gases.
GB190308671A Improvements in Centrifugal Apparatus for Treating Gases.
GB189827389A Method of and Apparatus for Purifying Gases and Obtaining Constituents or By-products contained therein.
GB189725634A Process and Apparatus for Absorbing, Extracting, Distilling, or Evaporating Liquids and Gases or Vapours.
GB189623595A Improvements in Purifying Gases or Vapours, and Gaining By-products therefrom, and in Subjecting Gases or Vapours to the Action of Solid or Liquid Substances and the Converse by Means of Centrifugal Action, and Apparatus therefor.
GB189604604A Improvements in Apparatus for Evaporating, Condensing, and Cooling Fluids.
GB189514853A Apparatus for Drying Pulverulent, Granular, or Fibrous Materials.
GB189514852A Improvements in Apparatus for Evaporating or Distilling Liquids.
GB189510571A Improved Method of and Apparatus for Evaporating, Condensing, and Cooling Fluids.
GB189418828A Improvements in Apparatus for Condensing, Evaporating, or Refrigerating Fluids.
GB189415351A Method of and Apparatus for Increasing the Efficiency of Evaporative Surface Condensers.
GB189403664A Improvements in Surface Condensing, Refrigerating, and Evaporating Apparatus.